| /* |
| * Written by Nils Larsch for the OpenSSL project. |
| */ |
| /* ==================================================================== |
| * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * openssl-core@openssl.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| |
| #include <openssl/opensslconf.h> |
| #ifndef OPENSSL_NO_EC |
| # include <stdio.h> |
| # include <stdlib.h> |
| # include <string.h> |
| # include "apps.h" |
| # include <openssl/bio.h> |
| # include <openssl/err.h> |
| # include <openssl/evp.h> |
| # include <openssl/pem.h> |
| |
| static OPT_PAIR conv_forms[] = { |
| {"compressed", POINT_CONVERSION_COMPRESSED}, |
| {"uncompressed", POINT_CONVERSION_UNCOMPRESSED}, |
| {"hybrid", POINT_CONVERSION_HYBRID}, |
| {NULL} |
| }; |
| |
| static OPT_PAIR param_enc[] = { |
| {"named_curve", OPENSSL_EC_NAMED_CURVE}, |
| {"explicit", 0}, |
| {NULL} |
| }; |
| |
| typedef enum OPTION_choice { |
| OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, |
| OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT, |
| OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT, |
| OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER |
| } OPTION_CHOICE; |
| |
| OPTIONS ec_options[] = { |
| {"help", OPT_HELP, '-', "Display this summary"}, |
| {"in", OPT_IN, '<', "Input file"}, |
| {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"}, |
| {"out", OPT_OUT, '>', "Output file"}, |
| {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"}, |
| {"noout", OPT_NOOUT, '-', "Don't print key out"}, |
| {"text", OPT_TEXT, '-', "Print the key"}, |
| {"param_out", OPT_PARAM_OUT, '-', "Print the elliptic curve parameters"}, |
| {"pubin", OPT_PUBIN, '-'}, |
| {"pubout", OPT_PUBOUT, '-'}, |
| {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
| {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, |
| {"param_enc", OPT_PARAM_ENC, 's', |
| "Specifies the way the ec parameters are encoded"}, |
| {"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "}, |
| {"", OPT_CIPHER, '-', "Any supported cipher"}, |
| # ifndef OPENSSL_NO_ENGINE |
| {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, |
| # endif |
| {NULL} |
| }; |
| |
| int ec_main(int argc, char **argv) |
| { |
| BIO *in = NULL, *out = NULL; |
| EC_KEY *eckey = NULL; |
| const EC_GROUP *group; |
| const EVP_CIPHER *enc = NULL; |
| point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED; |
| char *infile = NULL, *outfile = NULL, *prog; |
| char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; |
| OPTION_CHOICE o; |
| int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_form = 0, new_asn1_flag = 0; |
| int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0; |
| int pubin = 0, pubout = 0, param_out = 0, i, ret = 1, private = 0; |
| |
| prog = opt_init(argc, argv, ec_options); |
| while ((o = opt_next()) != OPT_EOF) { |
| switch (o) { |
| case OPT_EOF: |
| case OPT_ERR: |
| opthelp: |
| BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); |
| goto end; |
| case OPT_HELP: |
| opt_help(ec_options); |
| ret = 0; |
| goto end; |
| case OPT_INFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) |
| goto opthelp; |
| break; |
| case OPT_IN: |
| infile = opt_arg(); |
| break; |
| case OPT_OUTFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) |
| goto opthelp; |
| break; |
| case OPT_OUT: |
| outfile = opt_arg(); |
| break; |
| case OPT_NOOUT: |
| noout = 1; |
| break; |
| case OPT_TEXT: |
| text = 1; |
| break; |
| case OPT_PARAM_OUT: |
| param_out = 1; |
| break; |
| case OPT_PUBIN: |
| pubin = 1; |
| break; |
| case OPT_PUBOUT: |
| pubout = 1; |
| break; |
| case OPT_PASSIN: |
| passinarg = opt_arg(); |
| break; |
| case OPT_PASSOUT: |
| passoutarg = opt_arg(); |
| break; |
| case OPT_ENGINE: |
| (void)setup_engine(opt_arg(), 0); |
| break; |
| case OPT_CIPHER: |
| if (!opt_cipher(opt_unknown(), &enc)) |
| goto opthelp; |
| break; |
| case OPT_CONV_FORM: |
| if (!opt_pair(opt_arg(), conv_forms, &i)) |
| goto opthelp; |
| new_form = 1; |
| form = i; |
| break; |
| case OPT_PARAM_ENC: |
| if (!opt_pair(opt_arg(), param_enc, &i)) |
| goto opthelp; |
| new_asn1_flag = 1; |
| asn1_flag = i; |
| break; |
| } |
| } |
| argc = opt_num_rest(); |
| argv = opt_rest(); |
| private = param_out || pubin || pubout ? 0 : 1; |
| if (text) |
| private = 1; |
| |
| if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
| BIO_printf(bio_err, "Error getting passwords\n"); |
| goto end; |
| } |
| |
| in = bio_open_default(infile, 'r', informat); |
| if (in == NULL) |
| goto end; |
| |
| BIO_printf(bio_err, "read EC key\n"); |
| if (informat == FORMAT_ASN1) { |
| if (pubin) |
| eckey = d2i_EC_PUBKEY_bio(in, NULL); |
| else |
| eckey = d2i_ECPrivateKey_bio(in, NULL); |
| } else { |
| if (pubin) |
| eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, NULL); |
| else |
| eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, passin); |
| } |
| if (eckey == NULL) { |
| BIO_printf(bio_err, "unable to load Key\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| out = bio_open_owner(outfile, outformat, private); |
| if (out == NULL) |
| goto end; |
| |
| group = EC_KEY_get0_group(eckey); |
| |
| if (new_form) |
| EC_KEY_set_conv_form(eckey, form); |
| |
| if (new_asn1_flag) |
| EC_KEY_set_asn1_flag(eckey, asn1_flag); |
| |
| if (text) { |
| assert(private); |
| if (!EC_KEY_print(out, eckey, 0)) { |
| perror(outfile); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| } |
| |
| if (noout) { |
| ret = 0; |
| goto end; |
| } |
| |
| BIO_printf(bio_err, "writing EC key\n"); |
| if (outformat == FORMAT_ASN1) { |
| if (param_out) |
| i = i2d_ECPKParameters_bio(out, group); |
| else if (pubin || pubout) |
| i = i2d_EC_PUBKEY_bio(out, eckey); |
| else { |
| assert(private); |
| i = i2d_ECPrivateKey_bio(out, eckey); |
| } |
| } else { |
| if (param_out) |
| i = PEM_write_bio_ECPKParameters(out, group); |
| else if (pubin || pubout) |
| i = PEM_write_bio_EC_PUBKEY(out, eckey); |
| else { |
| assert(private); |
| i = PEM_write_bio_ECPrivateKey(out, eckey, enc, |
| NULL, 0, NULL, passout); |
| } |
| } |
| |
| if (!i) { |
| BIO_printf(bio_err, "unable to write private key\n"); |
| ERR_print_errors(bio_err); |
| } else |
| ret = 0; |
| end: |
| BIO_free(in); |
| BIO_free_all(out); |
| EC_KEY_free(eckey); |
| OPENSSL_free(passin); |
| OPENSSL_free(passout); |
| return (ret); |
| } |
| #else /* !OPENSSL_NO_EC */ |
| |
| # if PEDANTIC |
| static void *dummy = &dummy; |
| # endif |
| |
| #endif |
